What type of number is π/2

chose all that apply

whole number
integer
rational
irrational

Write the following as a base and exponent

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.